Home / 45,186.92-67,789.44-15,605.84

Finding the Fourth Proportional to 45,186.92, 67,789.44 and 15,605.84

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Solution

The fourth proportional to 45,186.92, 67,789.44 and 15,605.84 is: 23,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.92 : 67,789.44 = 15,605.84 : x
  2. Step 2: Convert to fraction form
    45,186.92/67,789.44 = 15,605.84/x
  3. Step 3: Cross multiply
    45,186.92x = 67,789.44 × 15,605.84
  4. Step 4: Simplify right side
    45,186.92x = 1,057,911,154.33
  5. Step 5: Solve for x
    x = 1,057,911,154.33/45,186.92
  6. Step 6: Final answer
    x = 23,411.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.